| I | protract |
|---|---|
| you | protract |
| he/she/it | protracts |
| we | protract |
| you | protract |
| they | protract |
| I | protracted |
|---|---|
| you | protracted |
| he/she/it | protracted |
| we | protracted |
| you | protracted |
| they | protracted |
| I | have | protracted |
|---|---|---|
| you | have | protracted |
| he/she/it | has | protracted |
| we | have | protracted |
| you | have | protracted |
| they | have | protracted |
| I | had | protracted |
|---|---|---|
| you | had | protracted |
| he/she/it | had | protracted |
| we | had | protracted |
| you | had | protracted |
| they | had | protracted |
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单语范例（未经PONS编辑处理）
Despite signs of recovery in the mid-2000s, the 2008 global economic recession has protracted these issues.
en.wikipedia.org Some lifters will retract the scapulae and hold them there, as opposed to letting them protract, to get a better stretch in the posterior deltoid.
en.wikipedia.org Due to the large number of owners who wanted to sell the negotiations were protracted over several months.
en.wikipedia.org Construction was protracted due to the failure of the original contractors to secure proper bonds, and the light was not brought into service until 1897.
en.wikipedia.org Research indicates recovery from financial crisis can be protracted, with lengthy periods of high unemployment and substandard economic growth.
en.wikipedia.org